29-01-2019
Mathematics

contestada

find the difference (-7ab-7a-4)-(-5ab-1)

Respuesta :

30-01-2019

Answer:

-2ab - 7a - 3

Step-by-step explanation:

First you need to distribute the negative through the second set of parenthesis -(-5ab-1) will result in +5ab + 1.

Next we combine the like terms:

(-7ab - 7a -4) + 5ab + 1

-7ab + 5ab and -7a and -4 + 1

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